摘要
通用接口是DVB条件接入系统用于接收码流解扰的重要组成部分。首先介绍了DVB通用接口的工作原理 ,然后阐述了通用接口软件的设计方法 ,最终实现了通用接口功能。
Common Interface is an important part of DVB conditional access system for descrambling the received transport stream. The paper firstly introduces the operational principle of DVB Common Interface. Then, it expatiates a design method of CI software here. And the function of Common Interface is implemented finally.
出处
《中国有线电视》
北大核心
2004年第12期51-53,共3页
China Digital Cable TV
关键词
DVB
条件接入系统
通用接口
卡信息结构
Conditional Access Module(CAM)
Common Interface(CI)
Card Information Structure (CIS)
